Ottawa, Ontario

Retaining Wall Prices in Ottawa

4 wall types from C$158

Retaining Wall Prices in Ottawa

Prices include HST/GST where applicable. Permit requirements vary by municipality. Walls over 1 m typically require a building permit and may need engineering sign-off.

Filter by price range$158 – $2,100
$158$2,100
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Retaining wall prices in Ottawa

Retaining Wall Tips for Ottawa

Ottawa has one of Canada’s coldest urban climates — retaining wall footings must be set well below the frost line (1.5–1.8 m in the Ottawa area)

City of Ottawa requires building permits for retaining walls over 1 m — allow time for permit approval before scheduling construction

Ottawa’s Leda clay soils in some areas are highly sensitive — always get a geotechnical assessment before major retaining wall projects

Key Wall Types at a Glance \u2014 Ottawa

Timber Wall

C$274

avg · C$158\u2013C$422

Per lineal metre; treated timber posts and sleepers

Concrete Sleeper Wall

C$342

avg · C$208\u2013C$523

Per lineal metre; precast concrete with steel H-posts

Engineering Certification

C$1,152

avg · C$522\u2013C$2,100

Per job; required for walls over 1 m in most councils

Retaining wall prices in Ottawa start from C$158/lineal m. Timber walls average C$274/lineal m. Prices include HST/GST where applicable. Permit requirements vary by municipality. Walls over 1 m typically require a building permit and may need engineering sign-off.

The most popular retaining wall types in Ottawa include timber sleeper walls, concrete sleeper walls, and natural stone walls. Concrete sleeper walls cost C$208–C$523/lineal m. Local site conditions and council requirements influence the best choice.

In Ottawa, retaining walls over approximately 1 m height typically require a building permit or planning consent. Engineering certification costs C$522–C$2,100 in Ottawa. Always check with your local council before starting construction.

Check online reviews on Google or HiPages. Ask for proof of public liability insurance and builder’s licence. Get at least three itemised quotes that include materials, drainage, and backfill. Timber walls in Ottawa cost C$158–C$422. Personal recommendations from neighbours are often the most reliable source.